首次对于由50 000个Al原子组成的液态金属系统在由急冷形成非晶态结构的过程中所出现的微观结构组态的变化进行了分子动力学模拟研究,探讨各种有关键型、原子团结构组态的转变机制,得到一幅十分清晰的关于金属原子成团及其演变的图景。同时也对模拟计算结果的微观机理给出了相应的讨论,这对于深入理解非晶态结构的形成机制及其微观过程,将有重要的启示作用。
参考文献
| [1] | Liu R S;Qi D W et al.Subpeaks of Structure Factors for Rapidly Quenched Metals[J].Physical Review B,1992,45:451. |
| [2] | Liu R S;Wang S .Anomalies in the Structure Factor for Some Rapidly Quenched Metals[J].Physical Review B,1992,46:12001. |
| [3] | Liu R S;Li J Y;Du H Q .A simulation study on the transition process of amorphous structure of Gallium[J].科学通报(英文版),1993,38(22):1861. |
| [4] | LIU Rangsu;LI Jiyong;ZHOU Qunyi .A simulation study on the transition feature of the microstructure in the forming processes of amorphous metals[J].Chinese science bulletin,1995(17):1429-1433. |
| [5] | Liu R-S;Zhou Z;Dong K-J;Peng P;Xie Q;Li J-Y .The high-temperature properties of microstructure transitions in liquid metal Al[J].Materials Science & Engineering, B. Solid-State Materials for Advanced Technology,1999(3):214-217. |
| [6] | Wang S;Lai S K .Structure and Electrical Resistivities of Liquid Binary Alloys[J].Journal of Physics F:Metal Physics,1980,10:2717. |
| [7] | Li D H;Li X R;Wang S .Variational Calculation of Helmholtz Free Energies with Applications to the Sp-Type Liquid Metals[J].Journal of Physics F:Metal Physics,1986,16:309. |
| [8] | Honeycutt J D;Andersen H C .Molecular-Dynamics Study of Melting and Freezing of Small Lennard-Jones Clusters[J].Journal of Physical Chemistry,1987,91:4950. |
| [9] | Waseda Y.The Structure of Non-Crystalline Materials[M].New York: McGraw-Hill,1980:270. |
| [10] | Qi D W et al.Icosahedral Order and Defects in Metallic Liquids and Glasses[J].Physical Review B,1991,44:884. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%